Pump dispenser



FIG. 1 is a perspective front view of a pump dispenser showing the new design with the rotatable plunger pointing to the right, the back view being a mirror image thereof;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a pump dispenser, as shown. 